Investigation of the effects of steam injection on performance and NO emissions of a diesel engine running with ethanol–diesel blend

• Published in: Energy conversion and management 2014-01, Vol.77, p.450-457
• Main Author: Gonca, Guven
• Format: Article
• Language: English
• Subjects: Applied sciences; Blends; Crude oil, natural gas and petroleum products; Crude oil, natural gas, oil shales producing equipements and methods; Cylinders; Diesel engine; Diesel engines; Emission analysis; Energy; Energy. Thermal use of fuels; Engine performance; Engines; Engines and turbines; Enhanced oil recovery methods; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc; Ethanol; Ethyl alcohol; Exact sciences and technology; Fuels; Full load; NO emission; Performance enhancement; Prospecting and production of crude oil, natural gas, oil shales and tar sands; Steam injection; Two-zone combustion model
• ISSN: 0196-8904; 1879-2227
• DOI: 10.1016/j.enconman.2013.09.031

•A combustion simulation is conducted by using two-zone combustion model.•Effect of steam injection into engine fueled ethanol–diesel blend are investigated.•It is shown that this method improves performance and diminish NO emissions. The use of ethanol–diesel blends in diesel engines without any modifications negatively affects the engine performance and NOx emissions. However, steam injection method decreases NOx emissions and improves the engine performance. In this study, steam injection method is applied into a single cylinder, four-stroke, direct injection, naturally aspirated diesel engine fueled with ethanol–diesel blend in order improve the performance and NOx emissions by using two-zone combustion model for 15% ethanol addition and 20% steam ratios at full load condition. The results obtained are compared with conventional diesel engine (D), steam injected diesel engine (D+S20), diesel engine fueled with ethanol–diesel blend (E15) and steam injected diesel engine fueled with ethanol–diesel blend (E15+S20) in terms of performance and NO emissions. The results showed that as NO emissions considerably decrease the performance significantly increases with steam injection method.